What does IBSSU stand for?
IBSSU stands for "Internal Bearing Stabilized Sighting Unit"
How to abbreviate "Internal Bearing Stabilized Sighting Unit"?
"Internal Bearing Stabilized Sighting Unit" can be abbreviated as IBSSU
What is the meaning of IBSSU abbreviation?
The meaning of IBSSU abbreviation is "Internal Bearing Stabilized Sighting Unit"
What does IBSSU mean?
IBSSU as abbreviation means "Internal Bearing Stabilized Sighting Unit"
